<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <style>
        a {
            text-decoration: none;
            color: black;
            font-size: 18px;

        }
        h2 {
            margin: 100px auto;
            text-align: center;
            line-height: 38px;
            border-radius: 4px;
        }
    </style>
    <title>index</title>
</head>
<body>
<h2>
    <a href="${pageContext.request.contextPath}/book/AllBook" >跳转的按钮</a>
</h2>

</body>
</html>
